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1 | /* |
| 2 | * Copyright (C) 2007-2012 Siemens AG |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 |
| 6 | * as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | * |
| 17 | * Written by: |
| 18 | * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> |
| 19 | * Maxim Gorbachyov <maxim.gorbachev@siemens.com> |
| 20 | * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> |
| 21 | * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> |
| 22 | */ |
| 23 | #ifndef MAC802154_H |
| 24 | #define MAC802154_H |
| 25 | |
| 26 | /* mac802154 device private data */ |
| 27 | struct mac802154_priv { |
| 28 | struct ieee802154_dev hw; |
| 29 | struct ieee802154_ops *ops; |
| 30 | |
| 31 | /* ieee802154 phy */ |
| 32 | struct wpan_phy *phy; |
| 33 | |
| 34 | int open_count; |
| 35 | |
| 36 | /* As in mac80211 slaves list is modified: |
| 37 | * 1) under the RTNL |
| 38 | * 2) protected by slaves_mtx; |
| 39 | * 3) in an RCU manner |
| 40 | * |
| 41 | * So atomic readers can use any of this protection methods. |
| 42 | */ |
| 43 | struct list_head slaves; |
| 44 | struct mutex slaves_mtx; |
| 45 | |
| 46 | /* This one is used for scanning and other jobs not to be interfered |
| 47 | * with serial driver. |
| 48 | */ |
| 49 | struct workqueue_struct *dev_workqueue; |
| 50 | |
| 51 | /* SoftMAC device is registered and running. One can add subinterfaces. |
| 52 | * This flag should be modified under slaves_mtx and RTNL, so you can |
| 53 | * read them using any of protection methods. |
| 54 | */ |
| 55 | bool running; |
| 56 | }; |
| 57 | |
| 58 | #define MAC802154_DEVICE_STOPPED 0x00 |
| 59 | #define MAC802154_DEVICE_RUN 0x01 |
| 60 | |
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61 | /* Slave interface definition. |
| 62 | * |
| 63 | * Slaves represent typical network interfaces available from userspace. |
| 64 | * Each ieee802154 device/transceiver may have several slaves and able |
| 65 | * to be associated with several networks at the same time. |
| 66 | */ |
| 67 | struct mac802154_sub_if_data { |
| 68 | struct list_head list; /* the ieee802154_priv->slaves list */ |
| 69 | |
| 70 | struct mac802154_priv *hw; |
| 71 | struct net_device *dev; |
| 72 | |
| 73 | int type; |
| 74 | |
| 75 | spinlock_t mib_lock; |
| 76 | |
| 77 | __le16 pan_id; |
| 78 | __le16 short_addr; |
| 79 | |
| 80 | u8 chan; |
| 81 | u8 page; |
| 82 | |
| 83 | /* MAC BSN field */ |
| 84 | u8 bsn; |
| 85 | /* MAC DSN field */ |
| 86 | u8 dsn; |
| 87 | }; |
| 88 | |
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89 | #define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw) |
| 90 | |
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91 | #define MAC802154_MAX_XMIT_ATTEMPTS 3 |
| 92 | |
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93 | extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced; |
| 94 | |
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95 | netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, |
| 96 | u8 page, u8 chan); |
| 97 | |
| 1010f540 |
98 | #endif /* MAC802154_H */ |
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